Current Events — HabitableZone

Current Events » in reply to Water-fuel car unveiled in Japan

re: Water powered cars, would be a wrong way of stating that

The car would get its power from a chemical reaction between some metal hydride and water.

Long time ago I pointed that out here at HZ, at the time I suggested using Calcium hydride.

The idea is that the Calcium oxidises in the water (so do many other metals at various rates.) and in doing so releases the hydrogen atoms, which then can be used to produce mechanical motion through combustion, or electrical energy through the fuel cell system.

Naturally it will take “energy” to convert the metal oxide into hydride again, but will it be any more or any less energy consuming than drilling for oil and refining it into gasoline.

( I can not recall the response I got from RL for that suggestion, would be interesting to dig that information out from the archives:-)

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